Melting glaciers in Boulder release sulfate into wetlands, increasing methylmercury production and ecosystem risks.

Last year, the U.S. Environmental Protection Agency gave this country’s nearly 200 remaining coal-fired power plants until 2027 to install or improve air quality monitoring devices on smokestacks to ...

Included in the Trump administration’s order last week to boost the coal industry was a ... nation’s most polluting power plants to reduce emissions of mercury and other air toxics.

The Illinois Municipal Electric Agency plans to sell $600 million of refunding bonds in July, amid questions about member ...

Since its inauguration, the Trump administration has embarked on an aggressive agenda to dismantle vital environmental regulations and climate change ...

BISMARCK — North Dakota coal-fired plants will get more time to meet regulations meant to curb mercury and toxic air emissions. President Donald Trump signed an executive order on April 8 that ...

A think tank’s suggestion of an all renewable “energy park” is the latest idea for replacing Xcel Energy’s last coal plant in Colorado. The Colorado Public Utilities Commission is holding ...

In Montana, operators of one of America’s dirtiest coal plants also applied for a free pass: a two-year exemption from the Mercury and Air Toxics Standards established more than a decade ago.

President Donald Trump has granted two Louisiana coal-fired power plants two-year exemptions to new air pollution limits, delays that could signal more to come for other industries as his ...

HARRISBURG, Pa. — Coal-fired power plants, long an increasingly money-losing proposition in the U.S., are becoming more valuable now that the suddenly strong demand for electricity to run Big ...

Early closure of coal-powered energy plants will hasten the achievement of global climate targets — namely net zero emissions to contain rising temperatures to 1.5-2 degree C higher than pre ...